1. the side of an object that is opposite its front
Similar word(s): rear
2. the fleshy part of the human body that you sit on
Definition categories: body
Sentences with backside as a noun:
- The backside of the building faced an alley, and was covered in grime and scrawled graffiti.
- After riding the horse all day for the first time, I had painful blisters on my backside.